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Individual
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Individual
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Priority to ES0304593ApriorityCriticalpatent/ES304593A1/en
Publication of ES304593A1publicationCriticalpatent/ES304593A1/en
"IMPROVEMENTS IN THE CONSTRUCTION OF CULTIVATORS", essentially characterized by the fact that on a frame made up of tubes joined together by strong plates, they are mounted some arms porta-rejas in whose upper end is bent in a spiral shape constituting a coil spring of internal amplitude equal to the tube of the frame on which it is mounted; verifying the fastening of each arm porta-rejas with a single screw. (Machine-translation by Google Translate, not legally binding)
ES0304593A1964-10-021964-10-02Improvements in the construction of cultivators (Machine-translation by Google Translate, not legally binding)
ExpiredES304593A1
(en)